List all public keys

GET /admin/keys

Response

Status: 200 OK
Link: <https://api.github.com/resource?page=2>; rel="next",
      <https://api.github.com/resource?page=5>; rel="last"

[
  {
    "key_id": "012345678912345678",
    "key": "2Sg8iYjAxxmI2LvUXpJjkYrMxURPc8r+dB7TJyvv1234",
    "user_id": 232,
    "repository_id": null
  },
  {
    "key_id": "012345678912345678",
    "key": "2Sg8iYjAxxmI2LvUXpJjkYrMxURPc8r+dB7TJyvv1234",
    "user_id": null,
    "repository_id": 2333,
    "id": "2",
    "url": "https://api.github.com/repos/octocat/Hello-World/keys/2"
  }
]